Nickel base superalloy compositions being substantially free of rhenium and superalloy articles

Nickel base superalloy compositions being substantially free of rhenium and superalloy articles

  • CN 101,790,593 A
  • Filed: 08/25/2008
  • Published: 07/28/2010
  • Est. Priority Date: 08/31/2007
  • Status: Active Application
First Claim
Patent Images

1. nickel base superalloy compositions, described superalloy compositions comprises:

  • the Cr of about 5-8% weight;

    The Co of about 7-8% weight;

    The Mo of about 1.3-2.2% weight;

    The W of about 4.75-6.75% weight;

    The Ta of about 6.0-7.0% weight;

    High Ti to about 0.5% weight, if present;

    The Al of about 6.0-6.4% weight;

    The Hf of about 0.15-0.6% weight;

    The C of about 0.03-0.06% weight, if present;

    High B to about 0.004% weight, if present;

    One or more of high altogether extremely about 0.03% weight are selected from the rare earth element of Y, La and Ce, if present;

    Wherein said superalloy compositions does not have Re substantially;

    Surplus comprises nickel and incidental impurities.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×